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#include <iostream>
#include <cstdio>
#include <vector>
#include <queue>
#define nmax 100005
using namespace std;
int n,m1,s;
int d[nmax];
vector<int> m[nmax];
queue<int> q;
inline void bfs(int surs)
{
int nod;
d[surs]=0;
q.push(surs);
while(!q.empty())
{
nod=q.front(); q.pop();
for(vector<int>::iterator it=m[nod].begin();it!=m[nod].end();it++)
if(d[*it]==-1)
{
d[*it]=d[nod]+1;
q.push(*it);
}
}
}
int main()
{
freopen("bfs.in","r",stdin);
freopen("bfs.out","w",stdout);
int i;
scanf("%d%d%d",&n,&m1,&s);
for(i=1;i<=n;i++) d[i]=-1;
int n1,n2;
for(;m1;m1--)
{
scanf("%d%d",&n1,&n2);
m[n1].push_back(n2);
}
bfs(s);
for(i=1;i<=n;i++) printf("%d ",d[i]); printf("\n");
fclose(stdin);
fclose(stdout);
return 0;
}